Older adults who follow three or more healthy habits, such as regular physical activity and a healthy diet, have a significantly lower risk of developing long-term mobility problems compared to those...

We analyzed the available evidence and found that older adults who follow three or more healthy habits—like regular physical activity and a healthy diet—tend to have a lower risk of developing long-term mobility problems compared to those who follow fewer of these habits, based on a 6.6-year observation period [1]. The evidence we’ve reviewed so far leans toward this connection, with 59.0 supporting assertions and none that contradict it. What this means is that habits often linked to better health—moving regularly, eating nutrient-rich foods, and possibly others like not smoking or managing weight—appear to be tied to maintaining physical function as people age. We didn’t find any studies in our review that showed these habits increased disability risk. But we also didn’t examine every possible factor, like genetics, access to care, or pre-existing conditions, which could influence outcomes. The data doesn’t tell us exactly how much each habit contributes, or whether starting these habits later in life has the same effect as lifelong habits. We also can’t say whether the reduction in risk is large or small in practical terms, only that it was observed over nearly seven years. For now, the pattern we see suggests that making consistent, healthy choices may help older adults stay more mobile over time. It doesn’t guarantee protection, but it’s one of the clearest patterns in the evidence we’ve reviewed. If you’re an older adult looking to support your physical independence, focusing on a few key habits like staying active and eating well is a reasonable step based on what we’ve seen so far.